Yamaha Fuel Med RX
This proprietary, alcohol-free blend fights moisture, oxidation, and phase separation in ethanol enriched fuels, and protects fuel system metals from corrosion. Use continuous treat rate if out of season fuel will sit in a tank for 7+ days. The storage treat rate keeps fuel fresh for up to one year. The 16-oz. size has a chambered bottle for easy measuring, and the 3.2-oz. size is blended to add to 5 gallons of gas for extra convenience.